MIME File Type Checker - 100% Free & Secure
Quickly check and identify the MIME type of any file
Name | File Size | Extension | Mime Type |
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How To Use Our MIME File Type Checker Tool- Click the “Choose Files” button to select your Files.
- Uploaded your files then click “Check File Type” button.
- The file type will appear below in a few seconds.

Works Anywhere
File Type Checker - instantly identifies file formats across all platforms (Mac, Windows, Linux, mobile) without requiring any downloads.

Quick and Easy
Our File Type Checker quickly identifies any file format. Just upload your file, click “Check File Type”, and view the results instantly below.

Free & Secure
Enjoy our completely free File Type Checker that runs on every browser and device. your files with 256-bit SSL encryption for maximum protection.

Works Anywhere
File Type Checker - instantly identifies file formats across all platforms (Mac, Windows, Linux, mobile) without requiring any downloads.

Quick and Easy
Our File Type Checker quickly identifies any file format. Just upload your file, click “Check File Type”, and view the results instantly below.

Free & Secure
Enjoy our completely free File Type Checker that runs on every browser and device. your files with 256-bit SSL encryption for maximum protection.
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Why Use Our MIME Type Checker?
- Instant MIME detection: Just upload your file – no installation required.
- Developer-friendly: Validate file uploads in development or production environments.
- Safer uploads: Detect spoofed file types to prevent security threats.
- Supports all major formats: PDF, DOCX, JPG, PNG, ZIP, MP4, and more.
- 100% free & privacy-first: Files are not stored or shared.
Common Use Cases
- Web developers: Validate file uploads on websites and APIs.
- Security professionals: Spot spoofed or disguised file types in vulnerability testing.
- IT admins: Verify file formats before distribution or backup.
- Regular users: Identify unknown files without installing software.
Frequently Asked Questions
❓ What is a MIME type?
A MIME type (Multipurpose Internet Mail Extensions) is a standardized way to indicate the nature and format of a file. It tells browsers and servers how to handle files like documents, images, audio, video, and more.
❓ Why should I check a file’s MIME type instead of just its extension?
File extensions can be easily renamed or faked. MIME types are determined by analyzing the actual file content, making them a more secure and reliable way to verify the file's true format.
❓ Which file types does this MIME checker support?
Our tool supports most common file formats, including .jpg, .png, .pdf, .docx, .xlsx, .mp4, .zip, .txt, and many more.